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Date: Thu, 11 Nov 2021 23:54:06 +0100
From: Alexandre Belloni <alexandre.belloni@...tlin.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-rtc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [GIT PULL] RTC for 5.16
Hello Linus,
Here is the RTC subsystem pull request for v5.16. This includes new
ioctls to get and set parameters and in particular the backup switch
mode that is needed for some RTCs to actually enable the backup voltage
(and have a useful RTC).
The same interface can also be used to get the actual features supported
by the RTC so userspace has a better way than trying and failing.
The following changes since commit 6880fa6c56601bb8ed59df6c30fd390cc5f6dd8f:
Linux 5.15-rc1 (2021-09-12 16:28:37 -0700)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git tags/rtc-5.16
for you to fetch changes up to b476266f063e680039be1541cfde5f5cee400da3:
rtc: rx8025: use .set_offset/.read_offset (2021-11-10 00:45:57 +0100)
----------------------------------------------------------------
RTC for 5.16
Subsystem:
- Add new ioctl to get and set extra RTC parameters, this includes backup
switch mode
- Expose available features to userspace, in particular, when alarmas have a
resolution of one minute instead of a second.
- Let the core handle those alarms with a minute resolution
New driver:
- MSTAR MSC313 RTC
Drivers:
- Add SPI ID table where necessary
- Add BSM support for rv3028, rv3032 and pcf8523
- s3c: set RTC range
- rx8025: set range, implement .set_offset and .read_offset
----------------------------------------------------------------
Alexander Stein (1):
rtc: pcf85063: add support for fixed clock
Alexandre Belloni (28):
rtc: msc313: fix missing include
rtc: add alarm related features
rtc: add parameter ioctl
rtc: expose correction feature
rtc: add correction parameter
rtc: add BSM parameter
rtc: rv3028: add BSM support
rtc: rv3032: allow setting BSM
rtc: pcf8523: avoid reading BLF in pcf8523_rtc_read_time
rtc: expose RTC_FEATURE_UPDATE_INTERRUPT
rtc: pcf8523: switch to regmap
rtc: pcf8523: always compile pcf8523_rtc_ioctl
rtc: pcf8523: remove unecessary ifdefery
rtc: pcf8523: allow usage on ACPI platforms
rtc: pcf8523: add BSM support
rtc: pcf85063: silence cppcheck warning
rtc: handle alarms with a minute resolution
rtc: s35390a: let the core handle the alarm resolution
rtc: rv3032: let the core handle the alarm resolution
rtc: ab-eoz9: use RTC_FEATURE_UPDATE_INTERRUPT
rtc: ab-eoz9: support UIE when available
rtc: ab8500: let the core handle the alarm resolution
rtc: rx8025: switch to devm_rtc_allocate_device
rtc: rx8025: let the core handle the alarm resolution
rtc: rx8025: set range
rtc: rx8025: clear RTC_FEATURE_ALARM when alarm are not supported
rtc: rx8025: use rtc_add_group
rtc: rx8025: use .set_offset/.read_offset
Colin Ian King (2):
rtc: msc313: Fix unintentional sign extension issues with left shift of a u16
rtc: m41t80: return NULL rather than a plain 0 integer
Dan Carpenter (1):
rtc: rv3032: fix error handling in rv3032_clkout_set_rate()
Daniel Palmer (1):
rtc: Add support for the MSTAR MSC313 RTC
Dmitry Osipenko (1):
rtc: tps80031: Remove driver
Dominique Martinet (1):
rtc: rv8803: fix writing back ctrl in flag register
Krzysztof Kozlowski (2):
rtc: omap: drop unneeded MODULE_ALIAS
rtc: s5m: drop unneeded MODULE_ALIAS
Mark Brown (4):
rtc: ds1302: Add SPI ID table
rtc: ds1390: Add SPI ID table
rtc: pcf2123: Add SPI ID table
rtc: mcp795: Add SPI ID table
Phil Elwell (1):
rtc: pcf85063: Always clear EXT_TEST from set_time
Romain Perier (1):
dt-bindings: rtc: Add Mstar MSC313e RTC devicetree bindings documentation
Sam Protsenko (3):
rtc: s3c: Remove usage of devm_rtc_device_register()
rtc: s3c: Extract read/write IO into separate functions
rtc: s3c: Add time range
Samuel Holland (1):
rtc: sun6i: Allow probing without an early clock provider
Wolfram Sang (1):
rtc: rx6110: simplify getting the adapter of a client
Yang Yingliang (2):
rtc: class: don't call cdev_device_del() when cdev_device_add() failed
rtc: class: check return value when calling dev_set_name()
.../devicetree/bindings/rtc/mstar,msc313-rtc.yaml | 49 +++
.../devicetree/bindings/rtc/nxp,pcf85063.txt | 9 +
MAINTAINERS | 1 +
drivers/rtc/Kconfig | 19 +-
drivers/rtc/Makefile | 2 +-
drivers/rtc/class.c | 20 +-
drivers/rtc/dev.c | 65 +++
drivers/rtc/interface.c | 15 +-
drivers/rtc/rtc-ab-eoz9.c | 3 +-
drivers/rtc/rtc-ab8500.c | 23 +-
drivers/rtc/rtc-ds1302.c | 7 +
drivers/rtc/rtc-ds1390.c | 7 +
drivers/rtc/rtc-m41t80.c | 2 +-
drivers/rtc/rtc-mcp795.c | 7 +
drivers/rtc/rtc-msc313.c | 259 ++++++++++++
drivers/rtc/rtc-omap.c | 1 -
drivers/rtc/rtc-pcf2123.c | 9 +
drivers/rtc/rtc-pcf85063.c | 16 +-
drivers/rtc/rtc-pcf8523.c | 434 +++++++++------------
drivers/rtc/rtc-rv3028.c | 74 ++++
drivers/rtc/rtc-rv3032.c | 89 ++++-
drivers/rtc/rtc-rv8803.c | 4 +-
drivers/rtc/rtc-rx6110.c | 2 +-
drivers/rtc/rtc-rx8025.c | 141 +++----
drivers/rtc/rtc-s35390a.c | 7 +-
drivers/rtc/rtc-s3c.c | 106 +++--
drivers/rtc/rtc-s5m.c | 1 -
drivers/rtc/rtc-sun6i.c | 13 +-
drivers/rtc/rtc-tps80031.c | 324 ---------------
include/linux/rtc.h | 3 +
include/uapi/linux/rtc.h | 31 +-
31 files changed, 982 insertions(+), 761 deletions(-)
create mode 100644 Documentation/devicetree/bindings/rtc/mstar,msc313-rtc.yaml
create mode 100644 drivers/rtc/rtc-msc313.c
delete mode 100644 drivers/rtc/rtc-tps80031.c
--
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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